Home / 1,023,893,141.76-1,412,962,476.30-553,984,152.21

Finding the Fourth Proportional to 1,023,893,141.76, 1,412,962,476.30 and 553,984,152.21

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Solution

The fourth proportional to 1,023,893,141.76, 1,412,962,476.30 and 553,984,152.21 is: 764,492,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,893,141.76 : 1,412,962,476.30 = 553,984,152.21 : x
  2. Step 2: Convert to fraction form
    1,023,893,141.76/1,412,962,476.30 = 553,984,152.21/x
  3. Step 3: Cross multiply
    1,023,893,141.76x = 1,412,962,476.30 × 553,984,152.21
  4. Step 4: Simplify right side
    1,023,893,141.76x = 782,758,819,537,597,696
  5. Step 5: Solve for x
    x = 782,758,819,537,597,696/1,023,893,141.76
  6. Step 6: Final answer
    x = 764,492,687.38

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Half scale
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Double scale
Find fourth proportional to 1,023,893,142.76, 1,412,962,477.68 and 553,984,153.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.